STMicroelectronics 1-Element Bi-Directional ESD Protection Diode 20 W 2-Pin ST-0201 ESDARF02-1BU2CK

STMicroelectronics ESDARF02-1BU2CK is a 1-element bi-directional ESD protection diode designed to safeguard sensitive electronic components from electrostatic discharge and transient voltage spikes. This diode delivers 20 W peak pulse power dissipation and is packaged in a miniature ST-0201 surface mount package, making it ideal for compact PCB designs across a wide range of electronic and semiconductor applications.

Engineered with a single bi-directional element, the device provides symmetrical protection ensuring performance integrity in both directions of current flow. Its 2-pin configuration simplifies installation while maintaining efficient PCB space utilization.

The device's electrical characteristics include a minimum breakdown voltage of 5 V and a maximum reverse stand-off voltage of 3.6 V, enabling it to clamp transient voltages to 12 V, protecting circuits from damage. It supports a maximum peak pulse current of 1.5 A and ensures leakage currents are minimal at 100 nA to reduce power dissipation during normal operation.

Thermally robust, the diode operates reliably in extreme environmental conditions from -40°C up to 150°C, suitable for automotive electronics, industrial, and consumer applications requiring stringent ESD protection.

This ESD protection diode is RoHS compliant and designed without automotive-specific certifications. Its compact dimensions of 0.65 mm length, 0.35 mm width, and 0.33 mm height facilitate ease of integration on modern PCBs for electronic equipment, power management modules, and communication devices.

This diode features a single, bi-directional element for efficient ESD protection. It supports a peak pulse power dissipation of 20 watts. The diode is packaged in a compact ST-0201 surface mount design. It operates reliably in temperatures ranging from -40°C to 150°C.

Minimum breakdown voltage is 5 volts with a maximum reverse stand-off voltage of 3.6 volts. The clamping voltage is rated at 12 volts to protect sensitive electronics effectively. Its pin count is two, suitable for streamlined PCB layouts.

Maximum peak pulse current rating is 1.5 amperes, allowing robust surge handling. Designed for low leakage current of 100 nanoamperes ensuring minimal power loss in normal operation. Test current is characterized at 1 milliampere, validating performance under standard conditions.

Suitable for industrial electronics, power supply circuits, and semiconductor devices, the STMicroelectronics ESDARF02-1BU2CK ensures circuit longevity and operational stability under electrostatic events.

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